Record Information
Version2.0
Creation Date2009-07-21 20:28:30 UTC
Update Date2014-12-24 20:25:55 UTC
Accession NumberT3D3003
Identification
Common NameChloroprocaine
ClassSmall Molecule
DescriptionChloroprocaine hydrochloride is a local anesthetic given by injection during surgical procedures and labor and delivery. Chloroprocaine, like other local anesthetics, blocks the generation and the conduction of nerve impulses, presumably by increasing the threshold for electrical excitation in the nerve, by slowing the propagation of the nerve impulse and by reducing the rate of rise of the action potential.
Compound Type
  • Amine
  • Anesthetic, Local
  • Drug
  • Ester
  • Ether
  • Metabolite
  • Organic Compound
  • Organochloride
  • Synthetic Compound
Chemical Structure
Thumb
Synonyms
Synonym
2-Chloroprocaine
4-amino-2-Chlorobenzoic acid 2-(diethylamino)ethyl ester
Chloroprocain
Chloroprocainum
Chlorprocaine
Cloroprocaina
Nesacaine
Nesacaine-CE
Piocaine
Chemical FormulaC13H19ClN2O2
Average Molecular Mass270.755 g/mol
Monoisotopic Mass270.114 g/mol
CAS Registry Number133-16-4
IUPAC Name2-(diethylamino)ethyl 4-amino-2-chlorobenzoate
Traditional Namechloroprocaine
SMILESCCN(CC)CCOC(=O)C1=C(Cl)C=C(N)C=C1
InChI IdentifierInChI=1S/C13H19ClN2O2/c1-3-16(4-2)7-8-18-13(17)11-6-5-10(15)9-12(11)14/h5-6,9H,3-4,7-8,15H2,1-2H3
InChI KeyInChIKey=VDANGULDQQJODZ-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as benzoic acid esters. These are ester derivatives of benzoic acid.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassBenzoic acids and derivatives
Direct ParentBenzoic acid esters
Alternative Parents
Substituents
  • Aminobenzoic acid or derivatives
  • Benzoate ester
  • 2-halobenzoic acid or derivatives
  • Halobenzoic acid or derivatives
  • Benzoyl
  • Aniline or substituted anilines
  • Chlorobenzene
  • Halobenzene
  • Aryl chloride
  • Aryl halide
  • Vinylogous halide
  • Tertiary amine
  • Tertiary aliphatic amine
  • Amino acid or derivatives
  • Carboxylic acid ester
  • Carboxylic acid derivative
  • Monocarboxylic acid or derivatives
  • Organopnictogen compound
  • Organic oxide
  • Organohalogen compound
  • Organochloride
  • Organonitrogen compound
  • Amine
  • Organic oxygen compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic nitrogen compound
  • Primary amine
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Biological Properties
StatusDetected and Not Quantified
OriginExogenous
Cellular Locations
  • Cytoplasm
  • Extracellular
  • Membrane
Biofluid LocationsNot Available
Tissue LocationsNot Available
Pathways
NameSMPDB LinkKEGG Link
Chloroprocaine PathwayNot AvailableNot Available
Applications
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateSolid
AppearanceWhite powder.
Experimental Properties
PropertyValue
Melting Point173-174°C
Boiling PointNot Available
Solubility0.665 mg/mL
LogP2.86
Predicted Properties
PropertyValueSource
Water Solubility1.3 g/LALOGPS
logP2.72ALOGPS
logP2.48ChemAxon
logS-2.3ALOGPS
pKa (Strongest Basic)8.96ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area55.56 ŲChemAxon
Rotatable Bond Count7ChemAxon
Refractivity75.1 m³·mol⁻¹ChemAxon
Polarizability28.74 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyDeposition DateView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0k9i-9400000000-c227313b7fa92099b2dc2017-09-01View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-014i-2590000000-d6a691c88bdf328bdece2016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0gi0-2960000000-1227ef12643b1bc44f582016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-00di-9800000000-88711037c2b9e1e0a6132016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-014i-0390000000-7684f7020aefa77704402021-10-11View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00fr-1910000000-dc231d66a4743a6fcd822021-10-11View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0059-5900000000-a2436cca9dd4087d6c5b2021-10-11View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0uk9-1590000000-3e4acb7ab260f903030c2016-08-01View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0udi-2930000000-1d40bf3d15aab91825f72016-08-01View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0umi-8900000000-4f493970e355eb62dd842016-08-01View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00di-0290000000-900e9b454cae510395ba2021-10-11View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0uk9-0930000000-ede990315b841dc52af02021-10-11View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0f89-2900000000-89a65d0b933b139cda9f2021-10-11View Spectrum
MSMass Spectrum (Electron Ionization)splash10-000i-9100000000-5a6841e384b0dfbd12382014-09-20View Spectrum
Toxicity Profile
Route of ExposureParenteral (intravenous injection). The rate of systemic absorption of local anesthetic drugs is dependent upon the total dose and concentration of drug administered, the route of administration, the vascularity of the administration site, and the presence or absence of epinephrine in the anesthetic injection.
Mechanism of ToxicityChloroprocaine acts mainly by inhibiting sodium influx through voltage gated sodium channels in the neuronal cell membrane of peripheral nerves. When the influx of sodium is interrupted, an action potential cannot arise and signal conduction is thus inhibited. The receptor site is thought to be located at the cytoplasmic (inner) portion of the sodium channel. It is hypothesized that Chloroprocaine binds or antagonizes the function of N-methyl-D-aspartate (NMDA) receptors as well as nicotinic acetylcholine receptors and the serotonin receptor-ion channel complex.
MetabolismChloroprocaine is rapidly metabolized in plasma by hydrolysis of the ester linkage by pseudocholinesterase. Route of Elimination: Chloroprocaine is rapidly metabolized in plasma by hydrolysis of the ester linkage by pseudocholinesterase. Urinary excretion is affected by urinary perfusion and factors affecting urinary pH. Half Life: 21 +/- 2 seconds
Toxicity ValuesLD50: 97 mg/kg (Intravenous, Mouse) (1) LD50: 950 mg/kg (Subcutaneous, Mouse) (1)
Lethal DoseNot Available
Carcinogenicity (IARC Classification)No indication of carcinogenicity to humans (not listed by IARC).
Uses/SourcesFor the production of local anesthesia by infiltration and peripheral nerve block. They are not to be used for lumbar or caudal epidural anesthesia.
Minimum Risk LevelNot Available
Health EffectsCentral Nervous System Effects: These are characterized by excitation and/or depression. Restlessness, anxiety, dizziness, tinnitus, blurred vision or tremors may occur, possibly proceeding to convulsions. High doses, or unintended intravascular injection, may lead to high plasma levels and related depression of the myocardium, hypotension, bradycardia, ventricular arrhythmias and, possibly, cardiac arrest. Neurologic side effects These observations may include spinal block of varying magnitude (including total spinal block), hypotension secondary to spinal block, loss of bladder and bowel control, and loss of perineal sensation and sexual function. Arachnoiditis, persistent motor, sensory and/or autonomic (sphincter control) deficit of some lower spinal segments with slow recovery (several months) or incomplete recovery have been reported in rare instances. [Wikipedia]
SymptomsNot Available
TreatmentThe first step in the management of convulsions, as well as underventilation or apnea due to unintentional subarachnoid injection of drug solution, consists of immediate attention to the maintenance of a patent airway and assisted or controlled ventilation with oxygen and a delivery system capable of permitting immediate positive airway pressure by mask. Immediately after the institution of these ventilatory measures, the adequacy of the circulation should be evaluated, keeping in mind that drugs used to treat convulsions sometimes depress the circulation when administered intravenously. Should convulsions persist despite adequate respiratory support, and if the status of the circulation permits, small increments of an ultra-short acting barbiturate (such as thiopental or thiamylal) or a benzodiazepine (such as diazepam) may be administered intravenously; the clinician should be familiar, prior to the use of anesthetics, with these anti-convulsant drugs. Supportive treatment of circulatory depression may require administration of intravenous fluids and, when appropriate, a vasopressor dictated by the clinical situation (such as ephedrine to enhance myocardial contractile force). If cardiac arrest should occur, standard cardiopulmonary resuscitative measures should be instituted. (3)
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
DrugBank IDDB01161
HMDB IDHMDB15292
PubChem Compound ID8612
ChEMBL IDCHEMBL1179047
ChemSpider ID8293
KEGG IDC07877
UniProt IDNot Available
OMIM ID
ChEBI ID3636
BioCyc IDNot Available
CTD IDNot Available
Stitch IDChloroprocaine
PDB IDNot Available
ACToR IDNot Available
Wikipedia LinkChloroprocaine
References
Synthesis Reference

Marks, H.C. and Rubin, M.I.; US. Patent 2,460,139; January 25,1949; assigned to Wallace
& Tiernan Products, Inc.

MSDSLink
General References
  1. Wishart DS, Knox C, Guo AC, Cheng D, Shrivastava S, Tzur D, Gautam B, Hassanali M: DrugBank: a knowledgebase for drugs, drug actions and drug targets. Nucleic Acids Res. 2008 Jan;36(Database issue):D901-6. Epub 2007 Nov 29. [18048412 ]
  2. Drugs.com [Link]
  3. RxList: The Internet Drug Index (2009). [Link]
Gene Regulation
Up-Regulated GenesNot Available
Down-Regulated GenesNot Available

Targets

General Function:
Monoamine transmembrane transporter activity
Specific Function:
Amine transporter. Terminates the action of dopamine by its high affinity sodium-dependent reuptake into presynaptic terminals.
Gene Name:
SLC6A3
Uniprot ID:
Q01959
Molecular Weight:
68494.255 Da
References
  1. Wilcox KM, Paul IA, Ordway GA, Woolverton WL: Role of the dopamine transporter and the sodium channel in the cocaine-like discriminative stimulus effects of local anesthetics in rats. Psychopharmacology (Berl). 2001 Sep;157(3):260-8. [11605081 ]
  2. Mansbach RS, Jortani SA, Balster RL: Discriminative stimulus effects of esteratic local anesthetics in squirrel monkeys. Eur J Pharmacol. 1995 Feb 14;274(1-3):167-73. [7768269 ]
  3. Wilcox KM, Paul IA, Woolverton WL: Comparison between dopamine transporter affinity and self-administration potency of local anesthetics in rhesus monkeys. Eur J Pharmacol. 1999 Feb 19;367(2-3):175-81. [10078990 ]
  4. Wilcox KM, Rowlett JK, Paul IA, Ordway GA, Woolverton WL: On the relationship between the dopamine transporter and the reinforcing effects of local anesthetics in rhesus monkeys: practical and theoretical concerns. Psychopharmacology (Berl). 2000 Dec;153(1):139-47. [11255924 ]
General Function:
Voltage-gated potassium channel activity
Specific Function:
This is one of the several different receptors for 5-hydroxytryptamine (serotonin), a biogenic hormone that functions as a neurotransmitter, a hormone, and a mitogen. This receptor is a ligand-gated ion channel, which when activated causes fast, depolarizing responses in neurons. It is a cation-specific, but otherwise relatively nonselective, ion channel.
Gene Name:
HTR3A
Uniprot ID:
P46098
Molecular Weight:
55279.835 Da
References
  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
  2. Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]
General Function:
Protein phosphatase 2a binding
Specific Function:
NMDA receptor subtype of glutamate-gated ion channels with reduced single-channel conductance, low calcium permeability and low voltage-dependent sensitivity to magnesium. Mediated by glycine. May play a role in the development of dendritic spines. May play a role in PPP2CB-NMDAR mediated signaling mechanism (By similarity).
Gene Name:
GRIN3A
Uniprot ID:
Q8TCU5
Molecular Weight:
125464.07 Da
References
  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
  2. Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]
General Function:
Receptor binding
Specific Function:
Ionotropic receptor with a probable role in the modulation of auditory stimuli. Agonist binding may induce an extensive change in conformation that affects all subunits and leads to opening of an ion-conducting channel across the plasma membrane. The channel is permeable to a range of divalent cations including calcium, the influx of which may activate a potassium current which hyperpolarizes the cell membrane. In the ear, this may lead to a reduction in basilar membrane motion, altering the activity of auditory nerve fibers and reducing the range of dynamic hearing. This may protect against acoustic trauma.
Gene Name:
CHRNA10
Uniprot ID:
Q9GZZ6
Molecular Weight:
49704.295 Da
References
  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
  2. Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]
General Function:
Voltage-gated sodium channel activity
Specific Function:
Tetrodotoxin-resistant channel that mediates the voltage-dependent sodium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a sodium-selective channel through which sodium ions may pass in accordance with their electrochemical gradient. Plays a role in neuropathic pain mechanisms.
Gene Name:
SCN10A
Uniprot ID:
Q9Y5Y9
Molecular Weight:
220623.605 Da
References
  1. Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6. [17139284 ]
  2. Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Nat Rev Drug Discov. 2006 Oct;5(10):821-34. [17016423 ]